Solar System
Venus Has a Moon?
[/caption] Astronomers have been busy trying to determine the spin period and composition of Venus' moon. December 8, 2010, results…
How Big Is Neptune
[/caption] There are many ways to determine 'how big is Neptune'. It has an equatorial radius 24,764 km, a polar…
Mysterious Ribbon at Edge of Solar System is Changing
A year ago, researchers from the IBEX mission – NASA’s Interstellar Boundary Explorer – announced the discovery of an unexpected…
What Galaxy Do We Live In?
If you are not an astronomy enthusiast you not have thought much about what galaxy do we live in. So…
An Alien’s View of Our Solar System
We have just begun to try and image distant solar systems around other stars, and hopefully our techniques and technology…
Win ‘Star Walk’ and ‘Solar Walk’ Astronomy Apps
I've had a couple of people excitedly show me the Star Walk astronomy app on their iPhones and ipads, and…
Contest: Win “The Universe: Our Solar System” in Blu-ray
A new giveaway opportunity! This time it is the Blu-ray edition of The Universe: Our Solar System. The Blu-ray edition…
Our Solar System: Now 2 Million Years Older
Our solar system is beautiful and aging gracefully, but it might be even older than we originally thought, by as…
Clockwork Planets
[/caption] While the Perseid meteor shower has been putting on quite a show, there's an awesome "no telescope needed" eye-catching…
The Earth and Moon May Have Formed Later Than Previously Thought
[/caption] The Earth and Moon were created as the result of a giant collision between two planets the size of…